Aerator motor assembly for a sewer system



FIG. 1 is a front elevational view of an aerator motor assembly for a sewer system embodying my new design, the rear being a mirror image of the front shown;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left end elevational view thereof; and

FIG. 5 is a right end elevational view thereof. 

The ornamental design for an aerator motor assembly for a sewer system, substantially as shown and described. 